JFK assassination: Five of the craziest conspiracy theories

Ever since John F. Kennedy was killed on 22 November 1963, hundreds of conspiracy theories have spread about the shooting. Everyone the Mafia to Woody Harrelsons Dad have been blamed for the killing, with innumerable books, TV shows and films dedicated to proving who really did it. Ahead of the CIA release of the JFK assassination files, we take a look at five of the most outlandish theories.